Electrical connector

The design is the visual features of the ELECTRICAL CONNECTOR shown in the drawings, whether those features are features of one of shape, configuration, ornament or pattern or are a combination of any of these features. Drawings of the design are included, as follows: FIG. 1 is a front perspective view of an ELECTRICAL CONNECTOR showing the new design, viewed from below and to the left; FIG. 2 is another front perspective view thereof, viewed from above and to the right; FIG. 3 is a top plan view thereof; FIG. 4 is a bottom plan view thereof; FIG. 5 is a left side elevation thereof; FIG. 6 is a right side elevation thereof; FIG. 7 is a front elevation thereof; FIG. 8 is a rear elevation thereof; FIG. 9 is a front perspective view of an ELECTRICAL CONNECTOR showing a variant of the new design, viewed from below and to the right; FIG. 10 is another front perspective view thereof, viewed from above and to the left; FIG. 11 is a top plan view thereof; FIG. 12 is a bottom plan view thereof; FIG. 13 is a right side elevation thereof; FIG. 14 is a left side elevation thereof; FIG. 15 is a front elevation thereof; and FIG. 16 is a rear elevation thereof. In the drawings, the broken lines depict unclaimed subject matter only, and form no part of the claimed design.